CN115338736A - Constant-force automatic grinding and polishing machine - Google Patents
Constant-force automatic grinding and polishing machine Download PDFInfo
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- CN115338736A CN115338736A CN202111495696.6A CN202111495696A CN115338736A CN 115338736 A CN115338736 A CN 115338736A CN 202111495696 A CN202111495696 A CN 202111495696A CN 115338736 A CN115338736 A CN 115338736A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
- B24B49/165—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load for grinding tyres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention belongs to the technical field of grinding and polishing equipment, and particularly relates to a constant-force automatic grinding and polishing machine. Aiming at the defect that the polishing effect of the conventional constant-force polishing equipment is poor, the invention adopts the following technical scheme: a constant force automatic sanding polisher, comprising: the engine base comprises a bottom plate; a polishing mechanism; the stress transfer mechanism comprises a floating plate capable of sliding relative to the bottom plate, a stress wheel moving along with the floating plate, a stress belt and a fixed wheel; the stress detection assembly comprises a force sensor and a trigger piece; the constant force compensation mechanism comprises a servo motor, a constant force driving wheel, a constant force driven wheel and a constant force adjusting belt, wherein the constant force driven wheel and the stress wheel are coaxial; the controller is connected with the force sensor and controls the servo motor; and the controller adjusts the output torque of the servo motor according to the information of the force sensor. The constant-force automatic grinding and polishing machine has the beneficial effects that: the force applied to the grinding mechanism is constant, and constant-force grinding is achieved.
Description
Technical Field
The invention belongs to the technical field of grinding and polishing equipment, and particularly relates to a constant-force automatic grinding and polishing machine.
Background
In industrial processes, grinding is a very common procedure. At present, most of the polishing tools are polished by manpower, the polishing tools waste time and energy, the field working environment is poor (such as large dust), and safety accidents occur occasionally, so that the working environment of polishing workers is quite bad. Nowadays, the use of robots or other automated equipment for sanding is becoming a trend.
The existing automatic robot polishing machines on the market mostly have a floating compensation function, the problems caused by workpiece inconsistency and the like can be solved to a certain extent, but the problems of poor polishing effect and the like still exist for workpieces with complex curved surfaces. This is mainly due to several reasons: 1. most of the devices adopt open-loop control, polishing pressure can be roughly adjusted, but automatic feedback cannot be carried out in real time according to feedback signals, and secondly, the devices adopt air cylinders for adjustment, so that the corresponding speed is low; 3. the stress detection structure is unreasonable, and the detection speed and precision are unsatisfactory.
Disclosure of Invention
The invention provides a constant-force automatic polishing machine aiming at the defect of poor polishing effect of the existing constant-force polishing equipment, so as to improve related structures and improve the polishing effect.
In order to achieve the purpose, the invention adopts the following technical scheme: a constant force automatic grinding and polishing machine, comprising:
the engine base comprises a bottom plate;
a polishing mechanism;
the stress transfer mechanism comprises a floating plate capable of sliding relative to the base plate, a stress wheel moving along with the floating plate, a stress belt fixedly connected with the polishing mechanism, and a fixed wheel fixed relative to the base plate, wherein the stress belt is matched with the stress wheel and the fixed wheel, and the fixed wheel is pivoted on the base;
the stress detection assembly comprises a force sensor and a trigger piece, and one of the force sensor and the trigger piece receives acting force from the stress wheel and acts on the other one of the force sensor and the trigger piece;
the constant force compensation mechanism comprises a servo motor, a constant force driving wheel driven by the servo motor, a constant force driven wheel matched with the constant force driving wheel and a constant force adjusting belt, wherein the constant force adjusting belt is matched with the constant force driving wheel and the constant force driven wheel, and the constant force driven wheel is coaxial with the stress wheel;
the controller is connected with the force sensor and controls the servo motor;
and the controller adjusts the output torque of the servo motor according to the information of the force sensor.
The constant-force automatic grinding and polishing machine is provided with a stress transfer mechanism, a stress detection assembly, a constant-force compensation mechanism and a controller, wherein the stress applied to the polishing mechanism is transferred to the stress detection assembly through the stress transfer mechanism, the stress detection assembly detects the applied force, and the controller adjusts the constant-force compensation mechanism according to the detected force so that the applied force applied to the polishing mechanism is constant; the stress transmission mechanism adopts a floating plate and belt transmission mode, and can reliably and sensitively transmit force to the stress detection assembly. The fixed wheel is fixed relative to the bottom plate, namely the fixed wheel only rotates and does not generate displacement in other directions.
As an improvement, the trigger member is fixedly connected to the bottom plate, the force sensor is fixedly connected to the floating plate, the bottom plate is located below the floating plate, and the trigger member penetrates through the floating plate. In other embodiments, the trigger element may be fastened to the float plate and the force sensor to the base plate.
As an improvement, the stress transfer mechanism further comprises a floating guide assembly for guiding the floating plate, the floating guide assembly comprises a long guide rail and a short guide rail, two sliding blocks are arranged on the long guide rail, one sliding block is arranged on the short guide rail, and the floating plate is fixedly connected with the sliding blocks; an avoidance groove is formed in the floating plate.
As an improvement, the two fixed wheels are symmetrically distributed relative to the constant force driven wheel.
As an improvement, the stress transmission mechanism further comprises a guide wheel moving along with the floating plate; the leading wheel has two and relatively constant force follows driving wheel symmetric distribution. The fixed wheel and the guide wheel are symmetrically distributed relative to the constant force driven wheel, so that the force detected by the stress detection assembly is the actual force applied to the polishing mechanism, and the detection is more accurate.
As an improvement, the diameter of the constant force driven wheel is at least twice that of the constant force driving wheel.
As an improvement, the constant-force driven wheel and the stressed wheel are connected through a coaxial assembly, the coaxial assembly comprises an outer barrel fixedly connected with the floating plate, a bearing arranged in the outer barrel and a rotating shaft arranged in the bearing and fixedly connected with the constant-force driven wheel and the stressed wheel, the bearing comprises an upper bearing and a lower bearing, the upper end and the lower end of the outer barrel form a bearing limiting part, a sleeve is arranged between the upper bearing and the lower bearing, a drop-proof part is arranged below the lower bearing, the drop-proof part is fixedly connected with the rotating shaft through a screw, the rotating shaft is provided with a lower large-diameter part and an upper small-diameter part, and the upper end of the large-diameter part forms the bearing limiting part; the upper surface and the lower surface of the constant force driven wheel form convex rings, and the upper surface and the lower surface of the stress wheel form convex rings. By adopting the structure, the constant-force driven wheel and the stress wheel can be ensured to rotate smoothly at the same time.
As an improvement, the grinding mechanism comprises a grinding seat, a grinding motor arranged on the grinding seat, a grinding wheel and a transmission assembly, and the grinding seat is fixedly connected with the floating plate.
As the improvement, the transmission assembly comprises a grinding driving wheel, a grinding driven wheel and a grinding belt, wherein the grinding wheel and the grinding driven wheel are coaxially arranged.
As an improvement, the constant-force automatic polishing machine further comprises a polishing guide assembly for guiding the polishing mechanism, wherein the polishing guide assembly comprises two guide rails and two sliding blocks, each guide rail is provided with two sliding blocks, and all the sliding blocks are fixedly connected with the polishing seat.
As an improvement, the servo motor adjusts the position of the polishing mechanism according to preset parameters; or the servo motor adjusts the position of the grinding mechanism according to the information of the force sensor. When polishing the initial time, servo motor only output torque, servo motor's motor shaft does not rotate, and the wheel of polishing can constantly wear and tear at the in-process of polishing and diminish, adopts this kind of setting, and trackable position compensates. The servo motor adjusts the position of the polishing mechanism according to preset parameters, the preset parameters can be the running time of the polishing mechanism, the polishing quantity and the like, and the parameters are obtained mainly according to experience. The servo motor adjusts the position of the polishing mechanism according to the information of the force sensor, and the output torque of the servo motor can be smaller than a certain value and lasts for a certain time to enable the servo motor to drive the polishing mechanism to move for a certain distance.
As an improvement, the constant-force automatic polishing machine further comprises an automatic waxing mechanism, wherein the automatic waxing mechanism comprises a first connecting frame rotatably connected with the polishing mechanism, a second connecting frame rotatably connected with the first connecting frame, an air cylinder arranged on the second connecting frame and a wax spraying gun head driven by the air cylinder.
The constant-force automatic grinding and polishing machine has the beneficial effects that: the grinding machine is provided with a stress transfer mechanism, a stress detection assembly, a constant force compensation mechanism and a controller, wherein the stress applied to the grinding mechanism is transferred to the stress detection assembly through the stress transfer mechanism, the stress detection assembly detects the applied force, and the controller adjusts the constant force compensation mechanism according to the detected force so that the applied force applied to the grinding mechanism is constant; the stress transmission mechanism adopts a floating plate and belt transmission mode, can transmit force to the stress detection assembly reliably and sensitively, ensures that the stress of the polishing wheel is constant, and realizes constant-force polishing.
Drawings
Fig. 1 is a schematic structural diagram of a constant-force automatic grinding and polishing machine according to a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a hidden part of the constant-force automatic polishing machine according to the first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a force transfer mechanism, a force detection assembly and a constant force compensation mechanism of the constant force automatic grinding and polishing machine according to the first embodiment of the present invention.
Fig. 4 is a cross-sectional view of a vertical central plane of a force-bearing wheel of the constant-force automatic grinding and polishing machine according to the first embodiment of the invention.
Fig. 5 is an exploded view of the stressed wheel and shaft assembly of the constant-force automatic grinding and polishing machine according to the first embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a polishing mechanism of the constant-force automatic polishing machine according to the first embodiment of the present invention.
Fig. 7 is a schematic structural diagram of an automatic waxing mechanism of the constant-force automatic grinding and polishing machine according to the first embodiment of the present invention.
In the figure, 1, a machine base; 11. a base plate;
2. a polishing mechanism; 21. polishing the base; 22. polishing the motor; 23. grinding the wheel; 24. a transmission assembly;
3. a force transmission mechanism; 31. a floating plate; 32. a stress wheel; 33. a stressed belt; 34. a fixed wheel; 35. a floating guide assembly; 36. a guide wheel;
4. a force sensing assembly; 41. a force sensor; 42. a trigger;
5. a constant force compensation mechanism; 51. a servo motor; 52. a constant force driving wheel; 53. a constant force driven wheel; 54. a constant force adjusting belt;
6. a coaxial assembly; 61. an outer cylinder; 62. an upper bearing; 63. a lower bearing; 64. a rotating shaft; 65. a sleeve; 66. a drop-off prevention member;
7. an automatic waxing mechanism; 71. a first link frame; 72. a second link frame; 73. wax spraying gun head.
Detailed Description
The technical solutions of the embodiments of the present invention will be explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and are not all embodiments. Other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the implementation belong to the protection scope of the invention.
Referring to fig. 1 to 7, a constant force automatic grinding and polishing machine of the present invention includes:
the engine base comprises a bottom plate;
a polishing mechanism;
the stress transfer mechanism comprises a floating plate capable of sliding relative to the base plate, a stress wheel moving along with the floating plate, a stress belt fixedly connected with the polishing mechanism, and a fixed wheel fixed relative to the base plate, wherein the stress belt is matched with the stress wheel and the fixed wheel, and the fixed wheel is pivoted on the base;
the stress detection assembly comprises a force sensor and a trigger piece, and one of the force sensor and the trigger piece receives the acting force from the stress wheel and acts on the other one of the force sensor and the trigger piece;
the constant force compensation mechanism comprises a servo motor, a constant force driving wheel driven by the servo motor, a constant force driven wheel matched with the constant force driving wheel and a constant force adjusting belt, wherein the constant force adjusting belt is matched with the constant force driving wheel and the constant force driven wheel, and the constant force driven wheel and the stress wheel are coaxial;
the controller is connected with the force sensor and controls the servo motor;
and the controller adjusts the output torque of the servo motor according to the information of the force sensor.
The constant-force automatic grinding and polishing machine is provided with a stress transfer mechanism, a stress detection assembly, a constant-force compensation mechanism and a controller, wherein the stress applied to the polishing mechanism is transferred to the stress detection assembly through the stress transfer mechanism, the stress detection assembly detects the applied force, and the controller adjusts the constant-force compensation mechanism according to the detected force so that the applied force applied to the polishing mechanism is constant; the stress transmission mechanism adopts a floating plate and belt transmission mode, and can reliably and sensitively transmit force to the stress detection assembly. The fixed wheel is fixed relative to the bottom plate, namely the fixed wheel only rotates and does not generate displacement in other directions.
Example one
Referring to fig. 1 to 7, a constant force automatic grinding and polishing machine according to an embodiment of the present invention includes:
the engine base 1 comprises a bottom plate 11;
a polishing mechanism 2;
the stress transmission mechanism 3 comprises a floating plate 31 capable of sliding relative to the base plate 11, a stress wheel 32 moving along with the floating plate 31, a stress belt 33 fixedly connected with the grinding mechanism 2, and a fixed wheel 34 fixed relative to the base plate 11, wherein the stress belt 33 is matched with the stress wheel 32 and the fixed wheel 34, and the fixed wheel 34 is pivoted on the base 1;
a force detection assembly 4, wherein the force detection assembly 4 comprises a force sensor 41 and a trigger 42, and one of the force sensor 41 and the trigger 42 receives the acting force from the force wheel 32 and acts on the other;
the constant force compensation mechanism 5 comprises a servo motor 51, a constant force driving wheel 52 driven by the servo motor 51, a constant force driven wheel 53 matched with the constant force driving wheel 52 and a constant force adjusting belt 54, wherein the constant force adjusting belt 54 is matched with the constant force driving wheel 52 and the constant force driven wheel 53, and the constant force driven wheel 53 is coaxial with the stressed wheel 32;
a controller connected to the force sensor 41 and controlling the servo motor 51;
wherein the controller adjusts the output torque of the servo motor 51 according to the information of the force sensor 41.
In this embodiment, the base 1 has a bottom case, an electric cabinet is disposed in the bottom case, and the controller is disposed in the electric cabinet. In the figure, the controller is not shown. The grinding mechanism 2, the stress transfer mechanism 3, the stress detection assembly 4, the constant force compensation mechanism 5 and the like are arranged above the bottom box.
In this embodiment, the trigger 42 is fixed to the bottom plate 11, the force sensor 41 is fixed to the floating plate 31, the bottom plate 11 is positioned below the floating plate 31, and the trigger 42 penetrates the floating plate 31. In another embodiment, the trigger 42 may be fixed to the floating plate 31 and the force sensor 41 may be fixed to the bottom plate 11.
In this embodiment, the force-receiving transfer mechanism 3 further includes a floating guide assembly 35 for guiding the floating plate 31, where the floating guide assembly 35 includes a long guide rail and a short guide rail, the long guide rail is provided with two sliders, the short guide rail is provided with a slider, and the floating plate 31 is fixedly connected to the slider; an avoiding groove is formed in the floating plate 31.
In this embodiment, the fixed wheels 34 are two and symmetrically distributed with respect to the constant force driven wheel 53.
In this embodiment, the force transmission mechanism 3 further includes a guide wheel 36 that moves with the floating plate 31; the two guide wheels 36 are symmetrically distributed relative to the constant force driven wheel 53. The fixed wheel 34 and the guide wheel 36 are symmetrically distributed relative to the constant-force driven wheel 53, so that the force detected by the stress detection component 4 is the actual force applied to the grinding mechanism 2, and the detection is more accurate.
In this embodiment, the angle formed by the two guide wheels 36 and the force-bearing belt 33 between the force-bearing wheels 32 is between 30 ° and 150 °.
In this embodiment, the diameter of the constant force driven wheel 53 is at least twice as large as that of the constant force driving wheel 52.
In this embodiment, the constant force driven wheel 53 and the force receiving wheel 32 are connected by a coaxial assembly 6, the coaxial assembly 6 includes an outer cylinder 61 fixedly connected with the floating plate 31, a bearing arranged in the outer cylinder 61, and a rotating shaft 64 arranged in the bearing and fixedly connected with the constant force driven wheel 53 and the force receiving wheel 32, the bearing includes an upper bearing 62 and a lower bearing 63, the upper end and the lower end of the outer cylinder 61 form a bearing limit part, a sleeve 65 is arranged between the upper bearing 62 and the lower bearing 63, a release-preventing member 66 is arranged below the lower bearing 63, the release-preventing member 66 is fixedly connected with the rotating shaft 64 by a screw, the rotating shaft 64 has a lower large diameter part and an upper small diameter part, and the upper end of the large diameter part forms a bearing limit part; the upper and lower surfaces of the constant force driven wheel 53 form convex rings, and the upper and lower surfaces of the force bearing wheel 32 form convex rings. With this structure, the constant driven wheel 53 and the force receiving wheel 32 can be ensured to rotate smoothly at the same time.
In this embodiment, the polishing mechanism 2 includes a polishing base 21, a polishing motor 22 disposed on the polishing base 21, a polishing wheel 23, and a transmission assembly 24, and the polishing base 21 is fixedly connected to the floating plate 31.
In this embodiment, the transmission assembly 24 includes the action wheel of polishing, polishes from driving wheel and the belt of polishing, polish 23 with polish from the coaxial setting of driving wheel.
In this embodiment, the automatic burnishing and polishing machine of constant force still includes right grinding mechanism 2 carries out the direction guide assembly that polishes that leads, the guide assembly that polishes includes guide rail and slider, and the guide rail has two, is equipped with two sliders on the every guide rail, and all sliders and the seat 21 rigid coupling of polishing.
In this embodiment, the servo motor 51 adjusts the position of the polishing mechanism 2 according to preset parameters; or the servo motor 51 adjusts the position of the grinding mechanism 2 according to the information of the force sensor 41. At the beginning of polishing, servo motor 51 only outputs moment, and servo motor 51's motor shaft does not rotate, and the grinding wheel 23 can constantly wear and diminish in the process of polishing, adopts this kind of setting, can trail the position and compensate. The servo motor 51 adjusts the position of the polishing mechanism 2 according to preset parameters, which may be the operating time of the polishing mechanism 2, the polishing amount, etc., and the parameters are obtained mainly according to experience. The servo motor 51 adjusts the position of the polishing mechanism 2 according to the information of the force sensor 41, which may be that the servo motor 51 drives the polishing mechanism 2 to move a certain distance after the output torque of the servo motor 51 is less than a certain value and lasts for a certain time.
In other embodiments, when the grinding wheel 23 is worn less during the grinding process, the servo motor 51 still maintains the torque output by properly adjusting the position of the robot relative to the grinding wheel 23, and the motor shaft of the servo motor 51 still does not rotate.
In this embodiment, the constant-force automatic polishing machine further includes an automatic waxing mechanism 7, where the automatic waxing mechanism 7 includes a first connecting frame 71 rotatably connected to the polishing mechanism 2, a second connecting frame 72 rotatably connected to the first connecting frame 71, an air cylinder provided on the second connecting frame 72, and a wax-spraying gun head driven by the air cylinder.
The working principle of the constant-force automatic grinding and polishing machine in the first embodiment of the invention is that during grinding, the grinding wheel 23 is always pressed by a workpiece, the force applied to the grinding wheel 23 is transmitted to the stressed wheel 32 through the stressed belt 33, so that the forces of the stressed belts 33 on the two sides of the stressed wheel 32 are inconsistent, as shown in fig. 3, the stressed belt 33 on the right side of the stressed wheel 32 is pulled, so that the floating plate 31 has a tendency of moving rightward or slightly moves rightward for a short distance along with the stressed wheel 32, the force sensor 41 on the floating plate 31 interacts with the trigger 42, the force sensor 41 detects the force and transmits the detected force to the controller, the controller adjusts the moment output by the servo motor 51 according to the force, and the moment output by the servo motor 51 reaches the stressed wheel 32 through the constant-force driving wheel 52, the constant-force adjusting belt 54, the constant-force driven wheel 53 and the rotating shaft 64, and finally reaches the stressed belt 33, so that the pressure applied to the grinding wheel 23 is kept constant within a certain range.
The constant-force automatic grinding and polishing machine provided by the embodiment of the invention has the beneficial effects that: the grinding machine is provided with a stress transfer mechanism 3, a stress detection assembly 4, a constant force compensation mechanism 5 and a controller, wherein the force applied to the grinding mechanism 2 is transferred to the stress detection assembly 4 through the stress transfer mechanism 3, the stress detection assembly 4 detects the applied force, and the controller adjusts the constant force compensation mechanism 5 according to the detected force, so that the force applied to the grinding mechanism 2 is constant; the stress transmission mechanism 3 adopts a floating plate 31 and belt transmission mode, and can reliably and sensitively transmit force to the stress detection assembly 4.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that the invention is not limited thereto but is intended to cover all modifications and equivalents as may be included within the spirit and scope of the invention. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the following claims.
Claims (10)
1. The utility model provides an automatic burnishing and polishing machine of constant force which characterized in that: the automatic burnishing and polishing machine of constant force includes:
the engine base (1) comprises a bottom plate (11);
a grinding mechanism (2);
the stress transmission mechanism (3) comprises a floating plate (31) capable of sliding relative to the base plate (11), a stress wheel (32) moving along with the floating plate (31), a stress belt (33) fixedly connected with the grinding mechanism (2), and a fixed wheel (34) fixed relative to the base plate (11), wherein the stress belt (33) is matched with the stress wheel (32) and the fixed wheel (34), and the fixed wheel (34) is pivoted on the base (1);
a force-receiving detection assembly (4), the force-receiving detection assembly (4) comprising a force sensor (41) and a trigger (42), one of the force sensor (41) and the trigger (42) receiving a force from the force-receiving wheel (32) and acting on the other;
the constant force compensation mechanism (5) comprises a servo motor (51), a constant force driving wheel (52) driven by the servo motor (51), a constant force driven wheel (53) matched with the constant force driving wheel (52) and a constant force adjusting belt (54), wherein the constant force adjusting belt (54) is matched with the constant force driving wheel (52) and the constant force driven wheel (53), and the constant force driven wheel (53) is coaxial with the stress wheel (32);
a controller connected to the force sensor (41) and controlling the servo motor (51);
wherein the controller adjusts the output torque of the servo motor (51) according to the information of the force sensor (41).
2. The constant force automatic grinding and polishing machine according to claim 1, characterized in that: the trigger piece (42) is fixedly connected to the bottom plate (11), the force sensor (41) is fixedly connected to the floating plate (31), the bottom plate (11) is located below the floating plate (31), and the trigger piece (42) penetrates through the floating plate (31).
3. The constant force automatic grinding and polishing machine of claim 1, wherein: the stress transfer mechanism (3) further comprises a floating guide assembly (35) for guiding the floating plate (31), the floating guide assembly (35) comprises a long guide rail and a short guide rail, two sliding blocks are arranged on the long guide rail, a sliding block is arranged on the short guide rail, and the floating plate (31) is fixedly connected with the sliding block.
4. The constant force automatic grinding and polishing machine of claim 1, wherein: the stress transmission mechanism (3) further comprises two guide wheels (36) moving along with the floating plate (31), and the two guide wheels (36) are symmetrically distributed relative to the constant force driven wheel (53); the two fixed wheels (34) are symmetrically distributed relative to the constant force driven wheel (53); the diameter of the constant force driven wheel (53) is at least twice that of the constant force driving wheel (52).
5. The constant force automatic grinding and polishing machine of claim 1, wherein: the constant force driven wheel (53) is connected with the stressed wheel (32) through a coaxial assembly (6), the coaxial assembly (6) comprises an outer cylinder (61) fixedly connected with the floating plate (31), a bearing arranged in the outer cylinder (61), and a rotating shaft (64) arranged in the bearing and fixedly connected with the constant force driven wheel (53) and the stressed wheel (32), the bearing comprises an upper bearing (62) and a lower bearing (63), the upper end and the lower end of the outer cylinder (61) form bearing limiting parts, a sleeve (65) is arranged between the upper bearing (62) and the lower bearing (63), an anti-falling part (66) is arranged below the lower bearing (63), the anti-falling part (66) is fixedly connected with the rotating shaft (64) through screws, the rotating shaft (64) is provided with a lower large-diameter part and an upper small-diameter part, and a bearing limiting part is formed at the upper end of the large-diameter part; the upper surface and the lower surface of the constant force driven wheel (53) form convex rings, and the upper surface and the lower surface of the stress wheel (32) form convex rings.
6. The constant force automatic grinding and polishing machine of claim 1, wherein: the polishing mechanism (2) comprises a polishing seat (21), a polishing motor (22) arranged on the polishing seat (21), a polishing wheel (23) and a transmission assembly (24), wherein the polishing seat (21) is fixedly connected with the floating plate (31).
7. The constant force automatic grinding and polishing machine according to claim 6, characterized in that: the transmission assembly (24) comprises a polishing driving wheel, a polishing driven wheel and a polishing belt, and the polishing wheel (23) and the polishing driven wheel are coaxially arranged.
8. The constant force automatic grinding and polishing machine of claim 7, wherein: the constant-force automatic polishing machine further comprises a polishing guide assembly for guiding the polishing mechanism (2), wherein the polishing guide assembly comprises two guide rails and two sliding blocks, each guide rail is provided with the two sliding blocks, and all the sliding blocks are fixedly connected with the polishing seat (21).
9. The constant force automatic grinding and polishing machine of claim 1, wherein: the servo motor (51) adjusts the position of the polishing mechanism (2) according to preset parameters; or the servo motor (51) adjusts the position of the grinding mechanism (2) according to the information of the force sensor (41).
10. The constant force automatic grinding and polishing machine according to claim 1, characterized in that: the constant-force automatic polishing machine further comprises an automatic waxing mechanism (7), wherein the automatic waxing mechanism (7) comprises a first connecting frame (71) rotatably connected with the polishing mechanism (2), a second connecting frame (72) rotatably connected with the first connecting frame (71), an air cylinder arranged on the second connecting frame (72) and a wax spraying gun head driven by the air cylinder.
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| CN202111495696.6A CN115338736B (en) | 2021-12-09 | 2021-12-09 | Constant force automatic polishing machine |
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| CN202111495696.6A CN115338736B (en) | 2021-12-09 | 2021-12-09 | Constant force automatic polishing machine |
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